CN112830621A - Beneficiation wastewater recycling system and method based on membrane chemical reactor - Google Patents

Abstract

The invention discloses a system and a method for recycling beneficiation wastewater based on a membrane chemical reactor, which comprises a pretreatment bin, a stamping mechanism, an air flotation machine, a sealing mechanism, a separation bin, a shifting mechanism, a security filter and an ultrafiltration membrane group ultrafiltration membrane, wherein the stamping mechanism is arranged in the pretreatment bin, and the wastewater in waste residues is extruded before the waste residues are treated by utilizing reciprocating downward pressing motion, so that a small amount of wastewater is conveniently extracted and treated; a sealing mechanism is installed in the collection bin, after the scum scraping is finished, a hand wheel is rotated to enable a winding wheel to lift the inserting plate by using a steel rope, and then the waste water in the scum can flow back to the air floatation machine bin, so that the method is convenient and rapid and has high efficiency; through setting up toggle mechanism in the separation storehouse, after the filter membrane filters the metal particle in the waste water, drive the gear drive in the toggle mechanism by driving motor, then make the branch of bottom drive the sliding frame of bottom and be sharp reciprocating motion, stir the metal particle and adsorb on the magnetic sheet on right side, effectual, efficient.

Description

Beneficiation wastewater recycling system and method based on membrane chemical reactor

Technical Field

The invention relates to the field related to recycling of beneficiation wastewater, in particular to a system and a method for recycling beneficiation wastewater based on a membrane chemical reactor.

Background

The beneficiation wastewater comprises beneficiation process drainage, tailing pond overflow water and mine site drainage, wherein the beneficiation process drainage is generally conveyed to a tailing pond together with tailing slurry and is collectively called tailing water; therefore, the beneficiation wastewater treatment is also called tailing water treatment, the beneficiation wastewater has the characteristics of large water quantity, high suspended matter content, more harmful substance types, lower concentration and the like, the beneficiation water consumption of each ton of ore is 5-10 tons, the discharge amount of the Chinese beneficiation wastewater reaches 10 billion cubic meters in 1973, the main harmful substances in the beneficiation wastewater are heavy metal ions and beneficiation reagents, the heavy metal ions comprise copper, zinc, lead, nickel, iron, barium, cadmium and the like, arsenic, rare elements and the like, the treatment effect of the wastewater based on a chemical reactor is better, the reuse rate of the wastewater is higher, and the environmental protection property is strong.

In the recycling of mineral processing wastewater, in the separation and air flotation processes, the separated solid is remained by residual wastewater, so that a small amount of wastewater is not treated, the environmental pollution is easily caused, and when solid metal particles are separated, the filter membrane is loaded greatly and needs to be replaced from time to time, and the subsequent collection and cleaning work on the surface of the filter membrane is also complicated.

Disclosure of Invention

Therefore, in order to solve the above-mentioned disadvantages, the present invention provides a system and a method for recycling beneficiation wastewater based on a membrane chemical reactor.

The invention is realized in such a way, a system and a method for recycling mineral processing wastewater based on a membrane chemical reactor are constructed, the device comprises a pretreatment bin, the left end of the front end surface of the pretreatment bin is connected with a cover plate through a hinge, the right end in the pretreatment bin is inserted into a water pumping pipe at the left end of a first water pump, the right side of the first water pump extends into an air flotation machine through a water drainage pipe, the left side of the air flotation machine is provided with a bubble generator, the middle part of the top end of the air flotation machine is provided with a slag scraper, the right end in the air flotation machine is provided with a collection bin, the right end in the air flotation machine is communicated with the water pumping pipe at the left side of a second water pump, the right side water drainage pipe of the second water pump is inserted into a separation bin, the left lower end of the front end surface of the separation bin is provided with a cleaning cover, the right end of the top of the separation bin, the stirring tank is characterized in that a stirring motor is arranged in the middle of the top end of the stirring tank, the bottom of the stirring motor is connected with a stirrer in the stirring tank, the upper right end of the stirring tank is connected with a fourth water pump through an external connecting pipeline, a discharge pipe on the right side of the fourth water pump is connected with the upper left end of a security filter, the lower right end of the stirring tank is butted with an injection pipe, the left end of the injection pipe is provided with a one-way valve and a ball valve, the right side of the injection pipe is tightly inserted into the left lower end of a dosing pump, a support is arranged at the bottom of the security filter, the right side of the support is connected with a water inlet pipe in an ultrafiltration membrane group through a connecting pipeline, the front end of the water inlet pipe is connected with an ultrafiltration membrane, the top of the ultrafiltration membrane is connected with a, the improved air floatation separation device is characterized in that a partition board is vertically fixed at the right end in the pretreatment bin, an electric cabinet is installed at the right lower end of the front end face of the separation bin, a partition net is arranged at the lower end in the partition board, a chute is arranged at the left end in the collection bin, a filter screen is arranged at the left lower end in the chute, a support is welded and fixed at the left end in the separation bin, a filter membrane is installed at the upper left end in the support, a magnetic plate is arranged at the right end in the support, the first water pump, the air floatation machine, the second water pump, the third water pump, the stirring motor, the fourth water pump and the dosing pump are all electrically connected with the electric cabinet through circuits, a stamping mechanism is arranged at the upper right end in the pretreatment bin, a sealing mechanism is installed at the left end in the collection bin, a shifting mechanism is installed at the left end of the top of the separation bin, Briquetting, guide arm and curb plate, the casing top is fixed at the interior top of preliminary treatment storehouse, the middle part is fixed with the base plate in the casing, the terminal surface upper right end is fixed with the fixing base before the base plate, middle part is articulated mutually with the cylinder in the fixing base to the cylinder top runs through casing and preliminary treatment storehouse top, cylinder bottom push rod meets with the hinge seat, the lower extreme is articulated mutually with the gangbar in the hinge seat, the link of terminal surface right-hand member is articulated mutually before the base plate is fixed to the right-hand member in the gangbar, the left end is connected with the sliding block in the gangbar, both ends are fixed mutually with the connecting rod about the sliding block bottom, connecting rod bottom welded fastening has the briquetting, both ends are run through by the guide arm about in the sliding block to both ends about the guide arm imbeds in the curb plate about.

Preferably, airtight mechanism includes hand wheel, main shaft, hangs and puts piece, rolling wheel, steel cable and picture peg, the middle part is closely inserted by the main shaft in the hand wheel to the main shaft back is fixed mutually with the rear end in collecting the storehouse, main shaft external diameter surface middle part welding has the rolling wheel, and it is fixed mutually with the interior upper end of collecting the storehouse to put the piece through hanging at rolling wheel top, the winding of rolling wheel external diameter surface has the steel cable, the steel cable bottom is fixed mutually with the picture peg to picture peg bottom and spout sliding connection.

Preferably, the toggle mechanism comprises a box body, a driving motor, a supporting rod, a sliding frame, a bearing plate, a driving gear, a synchronous gear, a secondary gear, a driven gear, a toggle rod, a strip-shaped groove and a moving rod, wherein the front end and the rear end of the box body are fixed with the separation bin, the upper end of the back of the box body is provided with the driving motor, the right end of the bottom of the box body is provided with the supporting rod, the bottom of the supporting rod is fixed on the sliding frame, the bearing plate is arranged in the middle of the box body, the upper end of the front end surface of the bearing plate is provided with the driving gear, the middle part in the driving gear is fixed with an output shaft at the front end of the driving motor, the bottom of the driving gear is mutually engaged with the synchronous gear, the secondary gear is fixed at the same axial center position in the, the strip-shaped groove is arranged at the lower end of the moving rod, the upper end in the moving rod is hinged with the bearing plate, and the bottom of the moving rod is connected with the supporting rod.

Preferably, a sealing cover is arranged on the back surface of the shell, and the sealing cover and the shell are fixed through bolts.

Preferably, the pressing block is in an inverted trapezoid shape, and the bottom surface of the pressing block is smooth.

Preferably, the lower half part of the steel rope is in a double-strand shape, and the bottom of the steel rope is fixed with the front end and the rear end of the top of the inserting plate.

Preferably, the left side and the right side of the inserting plate are both bonded with sealing silica gel layers, and the thickness of each sealing silica gel layer is 2 cm.

Preferably, the bottom of the sliding frame is in contact with the top of the filter membrane, and the left end and the right end in the sliding frame are in an open shape.

Preferably, the method comprises the following steps:

s1, introducing the beneficiation wastewater into the pretreatment bin through external equipment, performing primary solid-liquid separation,

s2, pumping the residue into an air floatation machine by a first water pump for residue scraping treatment, wherein the residue scraping time is controlled to be 30 min;

s3, pumping the wastewater by the next group of water pumps and discharging the wastewater into a separation bin, and performing final solid particle separation treatment on the separation bin;

s4, discharging the wastewater after slag separation into a stirring tank by a third water pump, starting a dosing pump to inject alum of about 30mg/L into the stirring tank, and then mixing and stirring to realize coagulation treatment, wherein the treatment time is 50-60 min;

s5, discharging the water into a security filter for primary filtration, and finally entering an ultrafiltration membrane group, wherein the water outlet of a water production pipe in the ultrafiltration membrane can be recycled, and the concentrated water discharged from a concentrated water pipe is filtered by an external reverse osmosis device to realize recycling.

Preferably, the pressing block is made of alloy steel.

Preferably, the inserting plate is made of stainless steel.

Preferably, the sliding frame is made of PP plastic.

The invention has the following advantages: the invention provides a beneficiation wastewater recycling system and method based on a membrane chemical reactor through improvement, compared with the same type of equipment, the system has the following improvement:

the method has the advantages that: according to the beneficiation wastewater recycling system and method based on the membrane chemical reactor, the stamping mechanism is installed in the pretreatment bin, and the reciprocating pressing motion is utilized to extrude wastewater in waste residues before the waste residues are treated, so that a small amount of wastewater is conveniently extracted and treated.

The method has the advantages that: according to the system and the method for recycling the beneficiation wastewater based on the membrane chemical reactor, the closed mechanism is installed in the collection bin, after the slag scraping is finished, the hand wheel is rotated to enable the winding wheel to lift the inserting plate by the steel rope, and then the wastewater in the scum can flow back to the air flotation machine bin, so that the system and the method are convenient and fast and high in efficiency.

The method has the advantages that: according to the system and the method for recycling the mineral processing wastewater based on the membrane chemical reactor, the shifting mechanism is arranged in the separation bin, after metal particles in the wastewater are filtered by the filter membrane, the driving motor drives the gear in the shifting mechanism to drive, then the support rod at the bottom drives the sliding frame at the bottom to do linear reciprocating motion, and the metal particles are shifted to the magnetic plate at the right side to be adsorbed, so that the effect is good, and the efficiency is high.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a cartridge construction of the present invention;

FIG. 3 is a schematic view of the internal structure of the pretreatment bin of the present invention;

FIG. 4 is a schematic structural view of a punching mechanism of the present invention;

FIG. 5 is a schematic view of the slider structure of the present invention;

FIG. 6 is a schematic view of the internal structure of the collecting chamber of the present invention;

FIG. 7 is a schematic structural view of a sealing mechanism of the present invention;

FIG. 8 is a schematic view of the internal structure of the separation chamber of the present invention;

FIG. 9 is a schematic view of the internal structure of the toggle mechanism of the present invention;

fig. 10 is a schematic view of the sliding frame structure of the present invention.

Wherein: a pretreatment bin-1, a cover plate-2, a stamping mechanism-3, a first water pump-4, an air flotation machine-5, a bubble generator-6, a slag scraper-7, a collection bin-8, a sealing mechanism-9, a second water pump-10, a separation bin-11, a cleaning cover-12, a toggle mechanism-13, a third water pump-14, a stirring tank-15, a stirring motor-16, a fourth water pump-17, an injection pipe-18, a dosing pump-19, a security filter-20, a support-21, an ultrafiltration membrane group-22, a water inlet pipe-23, an ultrafiltration membrane-24, a water production pipe-25, a concentrated water pipe-26, a filter core-27, a locking piece-28, a partition-29, an electric cabinet-30, a partition net-291, a water pump-12, a stirring mechanism-14, a stirring tank-15, Chute-81, filter screen-82, bracket-111, filter membrane-112, magnetic plate-113, shell-31, base plate-32, fixing seat-33, cylinder-34, hinge seat-35, linkage rod-36, connecting seat-37, sliding block-38, connecting rod-39, pressing block-310, guide rod-311, side plate-312, hand wheel-91, main shaft-92, hanging part-93, winding wheel-94, steel rope-95, inserting plate-96, box-131, driving motor-132, support rod-133, sliding frame-134, bearing plate-135, driving gear-136, synchronizing gear-137, auxiliary gear-138, driven gear-139, poke rod-1310, strip groove-1311, magnetic plate-31, Motion bar-1312.

Detailed Description

The present invention will be described in detail with reference to fig. 1 to 10, and the technical solutions in the embodiments of the present invention will be clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The invention provides a system and a method for recycling beneficiation wastewater based on a membrane chemical reactor by improvement, the system comprises a pretreatment bin 1, the left end of the front end surface of the pretreatment bin 1 is connected with a cover plate 2 through a hinge, the right end in the pretreatment bin 1 is inserted into a water pumping pipe at the left end of a first water pump 4, the right side of the first water pump 4 extends into an air floatation machine 5 through a water discharging pipe, an air bubble generator 6 is arranged at the left side of the air floatation machine 5, a slag scraper 7 is arranged in the middle of the top end of the air floatation machine 5, a collection bin 8 is arranged at the right end in the air floatation machine 5, the right end in the air floatation machine 5 is communicated with the water pumping pipe at the left side of a second water pump 10, the water discharging pipe at the right side of the second water pump 10 is inserted into a separation bin 11, a cleaning cover 12 is arranged at the left and lower end of the front end surface of the separation bin 11, a third water pump 14 is arranged at, the upper end in agitator tank 15 is arranged in through the drain pipe in the third water pump 14 right side, agitator tank 15 top mid-mounting has agitator motor 16 to agitator motor 16 bottom and agitator tank 15 interior middle part agitator meet, the upper right end meets through external connecting tube with fourth water pump 17 in the agitator tank 15, fourth water pump 17 right side discharge pipe meets with security filter 20 left side upper end, agitator tank 15 right side lower extreme and filling tube 18 dock to the left end is installed check valve and ball valve in the filling tube 18, filling tube 18 right side closely inserts into the lower left end of dosing pump 19, security filter 20 bottom is installed the support 21, support 21 right side meets through connecting tube and inlet tube 23 in ultrafiltration membrane group 22, inlet tube 23 front end is connected with milipore filter 24, milipore filter 24 top meets and produces water pipe 25, it is provided with dense water pipe 26 to produce water pipe 25 upper end, the top end of the support 21 is embedded with a filter element 27, the top of the filter element 27 is fixed with a security filter 20 through a locking piece 28, a partition plate 29 is vertically fixed at the right end in the pretreatment bin 1, an electric cabinet 30 is installed at the right lower end of the front end surface of the separation bin 11, a partition net 291 is arranged at the lower end in the partition plate 29, a chute 81 is arranged at the left end in the collection bin 8, a filter screen 82 is arranged at the left lower end in the chute 81, a support 111 is welded and fixed at the left end in the separation bin 11, a filter membrane 112 is installed at the upper left end in the support 111, a magnetic plate 113 is arranged at the right end in the support 111, the first water pump 4, the air flotation machine 5, the second water pump 10, the third water pump 14, the stirring motor 16, the fourth water pump 17 and the dosing pump 19 are all electrically connected with the electric cabinet 30 through a circuit, a stamping mechanism 3 is arranged at the upper right end in, the left end of the top of the separation bin 11 is provided with a toggle mechanism 13, the stamping mechanism 3 comprises a shell 31, a base plate 32, a fixed seat 33, a cylinder 34, a hinge seat 35, a linkage rod 36, a connecting seat 37, a sliding block 38, a connecting rod 39, a pressing block 310, a guide rod 311 and a side plate 312, the top of the shell 31 is fixed at the top in the pretreatment bin 1, the middle in the shell 31 is fixed with the base plate 32 to provide a supporting function for other components, the fixed seat 33 is fixed at the upper right end of the front end surface of the base plate 32, the middle in the fixed seat 33 is hinged with the cylinder 34, the top of the cylinder 34 penetrates through the shell 31 and the top of the pretreatment bin 1, a push rod at the bottom of the cylinder 34 is connected with the hinge seat 35, the lower end in the hinge seat 35 is hinged with the linkage rod 36, the connecting seat 37 at the right end of the front end surface of the, the left end and the right end of the bottom of the sliding block 38 are fixed with the connecting rod 39, the pressing block 310 is fixedly welded at the bottom of the connecting rod 39, the left end and the right end of the sliding block 38 are penetrated through by the guide rod 311, the upper end and the lower end of the guide rod 311 are embedded into the left end and the right end of the side plate 312, so that the guide rod 311 can provide a guiding effect for the sliding block 38 in the sliding process, and the back of the side plate 312 is fixedly welded with the base plate.

Further, airtight mechanism 9 includes hand wheel 91, main shaft 92, hangs and puts a 93, winding wheel 94, steel cable 95 and picture peg 96, the middle part is closely inserted by main shaft 92 in the hand wheel 91 to the main shaft 92 back is fixed mutually with the rear end in the collecting bin 8, main shaft 92 external diameter surface middle part welding has winding wheel 94, and winding wheel 94 top is fixed mutually with the upper end in the collecting bin 8 through hanging to put a 93, winding wheel 94 external diameter surface winding has steel cable 95, steel cable 95 bottom is fixed mutually with picture peg 96 to picture peg 96 bottom and spout 81 sliding connection make things convenient for reciprocating of picture peg 96, and it is effectual to slide.

Further, the toggle mechanism 13 includes a box 131, a driving motor 132, a supporting rod 133, a sliding frame 134, a bearing plate 135, a driving gear 136, a synchronizing gear 137, a secondary gear 138, a driven gear 139, a toggle rod 1310, a strip groove 1311 and a moving rod 1312, the front and rear ends of the box 131 are fixed to the separation chamber 11, the driving motor 132 is disposed at the upper end of the back of the box 131, the supporting rod 133 is disposed at the right end of the bottom of the box 131, the bottom of the supporting rod 133 is fixed to the sliding frame 134, the bearing plate 135 is disposed at the middle part of the box 131, the driving gear 136 is disposed at the upper end of the front end surface of the bearing plate 135, the middle part of the driving gear 136 is fixed to the output shaft of the front end of the driving motor 132, the bottom of the driving gear 136 is engaged with the synchronizing gear 137, the secondary gear 138 is fixed at the same, the lower end of the front end face of the driven gear 139 is fixed with the poke rod 1310, the poke rod 1310 is arranged in the strip groove 1311, the strip groove 1311 is installed at the lower end of the moving rod 1312, the upper end of the moving rod 1312 is hinged with the bearing plate 135, and the bottom of the moving rod 1312 is connected with the support rod 133.

Further, a sealing cover is arranged on the back of the shell 31, and the sealing cover and the shell 31 are fixed through bolts, so that the inside of the shell is convenient to inspect and maintain.

Further, the pressing block 310 is in an inverted trapezoid shape, and the bottom surface of the pressing block 310 is smooth, so that the pressing effect is good, and the stability is strong.

Further, steel cable 95 the latter half is the bifilar form to both ends are fixed around steel cable 95 bottom all with picture peg 96 top, conveniently mention picture peg 96 level, and stability is good.

Furthermore, the left side and the right side of the inserting plate 96 are both bonded with sealing silica gel layers, the thickness of each sealing silica gel layer is 2cm, the sealing performance is strong, and the effect is good.

Furthermore, the bottom of the sliding frame 134 is in contact with the top of the filter membrane 112, and the left end and the right end in the sliding frame 134 are open, so that scraping is convenient, and the operation is convenient and fast.

Further, the pressing block 310 is made of alloy steel.

As shown in the above table, the utility model pressing block 310 is made of alloy steel, and can achieve the effects of high durability and high strength.

Further, the insert plate 96 is made of stainless steel.

According to the table above show, this practical picture peg 96 adopts stainless steel, can reach the high effect of excessive price intensity of corrosion resistance height.

Further, the sliding frame 134 is made of PP plastic.

According to the table above, the sliding frame 134 of the present application is made of PP plastic material, so as to achieve the effects of high strength and low cost resistance.

The invention provides a system and a method for recycling beneficiation wastewater based on a membrane chemical reactor through improvement, and the system and the method operate according to the following mode;

firstly, when the wastewater needs to be treated and reused, firstly, the equipment is installed at a position where the equipment needs to be installed, then the position needs to be horizontal, then an interface on the electric cabinet 30 is connected to external electric energy, the required electric energy can be provided for the equipment, a control button on the electric cabinet 30 can control the equipment, then the wastewater needing to be treated is introduced into the pretreatment bin 1 through the external equipment, and then the solid waste in the wastewater can be blocked by the partition net 291 in the pretreatment bin 1;

secondly, starting the first water pump 4 to extract the wastewater, then discharging the wastewater into the air floatation machine 5, then starting the bubble generator 6 on the left side of the air floatation machine 5 to form highly dispersed micro bubbles in the water, adhering solid or liquid particles of hydrophobic groups in the wastewater to form a water-gas-particle three-phase mixed system, forming flocs with apparent density smaller than that of the water after the particles adhere to the bubbles, floating to the water surface to form a scum layer, and then scraping the scum layer into a collecting bin 8 by a scum scraper 7 to collect the scum layer;

thirdly, the second water pump 10 is started to pump the wastewater in the air flotation machine 5 and discharge the wastewater into the separation bin 11, the water level at the left end of the separation bin 11 rises to the filter membrane 112 for filtering, metal particles in the wastewater are filtered, then, the driving motor 132 is started to operate, the output shaft at the front end of the driving motor 132 starts to rotate, so that the driving gear 136 in the mechanism rotates, the synchronous gear 137 meshed with the bottom of the driving gear 136 rotates along with the driving gear 136, then the pinion 138 on the front end face of the synchronous gear 137 can drive the driven gear 139 to rotate, when the driven gear 139 rotates, the moving rod 1310 at the front end of the driven gear 139 makes the moving rod 1312 move left and right, the support rod 133 at the bottom of the moving rod 1312 allows the sliding frame 134 to reciprocate left and right, then the sliding frame 134 can push the metal particles on the upper end of the filter membrane 112 to the magnetic plate 113 on the right side for adsorption;

fourthly, the third water pump 14 is started to pump the wastewater and discharge the wastewater into the stirring tank 15, then the heating pump 19 is started to add alum into the stirring tank 15, then the stirring motor 16 is started to drive the stirrer at the bottom to stir so as to coagulate the interior, then the fourth water pump 17 pumps the wastewater and discharges the wastewater into the security filter 20, the internal filter element 27 performs pre-filtration, then the wastewater is discharged into the water inlet pipe 23 in the ultrafiltration membrane group 22 and enters the ultrafiltration membrane 24, fresh water is discharged from the water production pipe 25 under the purification of the ultrafiltration membrane 24, and concentrated water is discharged from the concentrated water pipe 26 and can be recycled through the subsequent reverse osmosis treatment;

fifthly, before waste residue in the pretreatment bin 1 is treated, the cylinder 34 in the stamping mechanism 3 is connected to external pneumatic equipment, then the cylinder 34 is started to reciprocate, the push rod at the bottom of the cylinder 34 can push the hinge seat 35 at the bottom to move, so that the linkage rod 36 and the sliding block 38 can reciprocate on the guide rod 311, then the connecting rod 39 at the bottom of the sliding block 38 can push the pressing block 310 up and down, the pressing block 310 can stamp waste residue at the bottom, moisture in the waste residue is discharged, the waste residue is extracted by the water pumping pipe at the bottom of the first water pump 4, and then the cover plate 2 is opened to treat the waste residue.

Sixthly, when waste residues in the collecting bin 8 are processed, the main shaft 92 is rotated by rotating the hand wheel 91, then the main shaft 92 enables the winding wheel 94 to rotate, the winding wheel 94 lifts the plug-in board 96 through the steel rope 95, then the waste residues can enable the waste water in the inner part to flow back to the air floatation machine bin under the blocking of the filter screen 82, and then the waste residues are processed.

The invention provides a system and a method for recycling beneficiation wastewater based on a membrane chemical reactor through improvement, wherein a stamping mechanism 3 is arranged in a pretreatment bin 1, and the wastewater in waste residues is extruded before the waste residues are treated by utilizing reciprocating downward pressing motion, so that a small amount of wastewater is conveniently extracted and treated; then, the sealing mechanism 9 is installed in the collecting bin 8, after the slag scraping is finished, the hand wheel is rotated to enable the winding wheel 94 to lift the inserting plate 96 by utilizing the steel rope 95, and then the waste water in the floating slag can flow back to the bin 5 of the air floatation machine, so that the operation is convenient and rapid, and the efficiency is high; through setting up toggle mechanism 13 in the separation storehouse 11, after the metal particle in the waste water was filtered to filter membrane 112, drive the gear drive in the toggle mechanism 13 by driving motor 132, then make the branch 133 of bottom drive the sliding frame 134 of bottom and be sharp reciprocating motion, stir the metal particle and adsorb on the magnetic sheet 113 on right side, effectual, efficient.

The basic principles and main features of the present invention and the advantages of the present invention have been shown and described, and the standard parts used in the present invention are all available on the market, the special-shaped parts can be customized according to the description and the accompanying drawings, the specific connection mode of each part adopts the conventional means of bolt and rivet, welding and the like mature in the prior art, the machinery, parts and equipment adopt the conventional type in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, and the details are not described herein.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (9)

1. A beneficiation wastewater recycling system and method based on a membrane chemical reactor comprise a pretreatment bin (1), wherein the left end of the front end face of the pretreatment bin (1) is connected with a cover plate (2) through a hinge, the right end of the interior of the pretreatment bin (1) is inserted into a water pumping pipe at the left end of a first water pump (4), the right side of the first water pump (4) extends into an air floatation machine (5) through a water draining pipe, a bubble generator (6) is installed at the left side of the air floatation machine (5), a slag scraping device (7) is arranged in the middle of the top end of the air floatation machine (5), a collection bin (8) is installed at the right end of the interior of the air floatation machine (5), the right end of the interior of the air floatation machine (5) is communicated with the water pumping pipe at the left side of a second water pump (10), the water draining pipe at the right side of the second water pump (10) is inserted into a separation bin (11), a cleaning, the separation bin (11) top right-hand member is provided with third water pump (14) to in third water pump (14) bottom inserted into separation bin (11) through the drinking-water pipe, upper end in agitator tank (15) is arranged in through the drain pipe in third water pump (14) right side, agitator tank (15) top mid-mounting has agitator motor (16), and agitator motor (16) bottom and agitator tank (15) interior middle part agitator meet, upper right end meets fourth water pump (17) through external connecting tube in agitator tank (15), fourth water pump (17) right side discharge pipe meets with cartridge filter (20) left side upper end, agitator tank (15) right side lower extreme and filling tube (18) butt joint to the left end is installed one-way valve and ball valve in filling tube (18), filling tube (18) right side closely inserts into the left lower extreme of dosing pump (19), support (21) is installed to safety filter (20) bottom, inlet tube (23) in support (21) right side through connecting tube and ultrafiltration membrane group (22) meet, inlet tube (23) front end is connected with milipore filter (24), milipore filter (24) top meets and produces water pipe (25), it is provided with dense water pipe (26) to produce water pipe (25) upper end, support (21) top embedding has filter core (27), it is fixed mutually with safety filter (20) that locking piece (28) are passed through at filter core (27) top, right-hand member vertical fixation has baffle (29) in preliminary treatment storehouse (1), electric cabinet (30) is installed to separation storehouse (11) front end face right lower extreme, the lower extreme is provided with spacer net (291) in baffle (29), the left end is provided with spout (81) in collection storehouse (8), the left lower extreme is provided with filter screen (82) in spout (81), a support (111) is fixedly welded at the left end in the separation bin (11), a filter membrane (112) is mounted at the upper left end in the support (111), a magnetic plate (113) is arranged at the right end in the support (111), and the first water pump (4), the air flotation machine (5), the second water pump (10), the third water pump (14), the stirring motor (16), the fourth water pump (17) and the chemical feeding pump (19) are electrically connected with the electric cabinet (30) through circuits;

the method is characterized in that: still include punching press mechanism (3), airtight mechanism (9) and toggle mechanism (13), upper right end is provided with punching press mechanism (3) in preliminary treatment storehouse (1), airtight mechanism (9) are installed to the left end in collecting storehouse (8), toggle mechanism (13) are installed to separation storehouse (11) top left end, punching press mechanism (3) include casing (31), base plate (32), fixing base (33), cylinder (34), hinge seat (35), gangbar (36), connecting seat (37), sliding block (38), connecting rod (39), briquetting (310), guide arm (311) and curb plate (312), casing (31) top is fixed at preliminary treatment storehouse (1) top, middle part is fixed with base plate (32) in casing (31), base plate (32) preceding terminal surface upper right end is fixed with fixing base (33), middle part is articulated mutually with cylinder (34) in fixing base (33), the top of the air cylinder (34) penetrates through the top of the shell (31) and the top of the pretreatment bin (1), a push rod at the bottom of the air cylinder (34) is connected with a hinge seat (35), the lower end in the hinge seat (35) is hinged with a linkage rod (36), the right end in the linkage rod (36) is fixed on a connecting seat (37) at the right end of the front end face of the base plate (32) in a hinged mode, the left end in the linkage rod (36) is connected with a sliding block (38), the left end and the right end at the bottom of the sliding block (38) are fixed with a connecting rod (39), a pressing block (310) is fixedly welded at the bottom of the connecting rod (39), the left end and the right end in the sliding block (38) are penetrated through by a guide rod (311), the upper end and the lower end of the guide rod (311) are embedded into the left end and the.

2. The system and the method for recycling beneficiation wastewater based on the membrane chemical reactor according to claim 1, wherein: airtight mechanism (9) are including hand wheel (91), main shaft (92), hang and put piece (93), rolling wheel (94), steel cable (95) and picture peg (96), the middle part is closely inserted by main shaft (92) in hand wheel (91) to main shaft (92) back is fixed mutually with the rear end in collecting bin (8), main shaft (92) external diameter surface middle part welding has rolling wheel (94), and rolling wheel (94) top is fixed mutually with collecting bin (8) interior upper end through hanging and putting piece (93), rolling wheel (94) external diameter surface winding has steel cable (95), steel cable (95) bottom is fixed mutually with picture peg (96) to picture peg (96) bottom and spout (81) sliding connection.

3. The system and the method for recycling beneficiation wastewater based on the membrane chemical reactor according to claim 1, wherein: the toggle mechanism (13) comprises a box body (131), a driving motor (132), a support rod (133), a sliding frame (134), a bearing plate (135), a driving gear (136), a synchronous gear (137), a pinion (138), a driven gear (139), a toggle rod (1310), a strip-shaped groove (1311) and a moving rod (1312), wherein the front end and the rear end of the box body (131) are fixed with the separation bin (11), the driving motor (132) is arranged at the upper end of the back face of the box body (131), the support rod (133) is arranged at the right end of the bottom of the box body (131), the bottom of the support rod (133) is fixed on the sliding frame (134), the bearing plate (135) is arranged in the middle of the box body (131), the driving gear (136) is arranged at the upper end of the front end face of the bearing plate (135), the middle of the driving gear (136) is fixed with an output shaft at the front end of, the synchronous gear (137) is internally fixed with a pinion (138) at the same axis position at the middle part, the bottom of the pinion (138) is meshed with a driven gear (139), the lower end of the front end face of the driven gear (139) is fixed with a poking rod (1310), the poking rod (1310) is arranged in a strip-shaped groove (1311), the strip-shaped groove (1311) is arranged at the lower end of a moving rod (1312), the upper end of the moving rod (1312) is hinged with a bearing plate (135), and the bottom of the moving rod (1312) is connected with a support rod (133).

4. The system and the method for recycling beneficiation wastewater based on the membrane chemical reactor according to claim 1, wherein: a sealing cover is arranged on the back surface of the shell (31), and the sealing cover and the shell (31) are fixed through bolts.

5. The system and the method for recycling beneficiation wastewater based on the membrane chemical reactor according to claim 1, wherein: the pressing block (310) is in an inverted trapezoid shape, and the bottom surface of the pressing block (310) is smooth.

6. The system and the method for recycling beneficiation wastewater based on the membrane chemical reactor according to claim 2, wherein: the lower half part of the steel rope (95) is in a double-strand shape, and the bottom of the steel rope (95) is fixed with the front end and the rear end of the top of the inserting plate (96).

7. The system and the method for recycling beneficiation wastewater based on the membrane chemical reactor according to claim 2, wherein: sealing silica gel layers are bonded on the left side and the right side of the inserting plate (96), and the thickness of each sealing silica gel layer is 2 cm.

8. The system and the method for recycling beneficiation wastewater based on the membrane chemical reactor according to claim 3, wherein: the bottom of the sliding frame (134) is contacted with the top of the filter membrane (112), and the left end and the right end in the sliding frame (134) are open.

9. The system and the method for recycling beneficiation wastewater based on the membrane chemical reactor according to claim 1, wherein the method comprises the following steps:

s1, mineral processing wastewater is led into the pretreatment bin (1) through external equipment, and is subjected to preliminary solid-liquid separation,

s2, pumping the residue into an air floatation machine (5) by a first water pump (4) for residue scraping treatment, wherein the residue scraping time is controlled to be 30 min;

s3, pumping the wastewater by the next group of water pumps and discharging the wastewater into a separation bin (11), and carrying out final solid particle separation treatment on the separation bin (11);

s4, discharging the wastewater after slag separation into a stirring tank (15) by a third water pump (14), starting a chemical feeding pump (19), injecting alum of about 30mg/L into the stirring tank (15), and then mixing and stirring to realize coagulation treatment, wherein the treatment time is 50-60 min;

s5, discharging the water into a cartridge filter (20) for primary filtration, finally entering an ultrafiltration membrane group (22), enabling the water discharged from a water production pipe (25) in an ultrafiltration membrane (24) to be recycled, and filtering the concentrated water discharged from a concentrated water pipe (26) by an external reverse osmosis device to realize recycling.

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